 Scanner sc= new Scanner(System.in);
        System.out.println("请输入");
        int a=sc.nextInt();
        int b=a%10;
        int c=(a/10)%10;
        int d=(a/100)%10;
        
        System.out.println(a+"="+b+"*"+b+"*"+b+" "+c+"*"+c+"*"+c+" "+d+"*"+d+"*"+d);
        }
	